AP BIOLOGY

Detailed explanation-1: -Ichnofossils, also known as trace fossils, are geological records of the activities and behaviors of past life. Some examples include rock evidence of nests, burrows, footprints, and scat. These fossils are different from body fossils that preserve the actual remains of a body such as shells or bones.

Detailed explanation-2: -Trace fossils record the activity of an organism. They include nests, burrows, footprints and coprolites (better known as fossilised poo!).

Detailed explanation-3: -Name five kinds of trace fossils. Burrows, coprolites, tracks, trails, nests and footprints are examples of trace fossils.

Detailed explanation-4: -There are three main types of trace fossils: tracks and trails, burrows and borings, and gastroliths and coprolites. Tracks and trails are usually footprints left behind when an animal steps into soft mud or clay.